| To: | rfi@contesting.com |
|---|---|
| Subject: | Re: [RFI] Noise Level During Power Outage |
| From: | Jim Brown <jim@audiosystemsgroup.com> |
| Reply-to: | jim@audiosystemsgroup.com |
| Date: | Wed, 1 Feb 2023 10:51:08 -0800 |
| List-post: | <mailto:rfi@contesting.com> |
On 2/1/2023 4:52 AM, K9MA wrote: Besides the preponderance of 120 Hz harmonics in the AM audio, the very broadband nature of line noise is usually the main indicator. 120 Hz is also a strong component of electronic noise generated by power supplies and power control equipment. The audio spectrum is not a great clue -- the RF/IF waterfall shows where the bodies are buried. 73, Jim K9YC _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi |
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